From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C933DCD13DE for ; Thu, 30 Apr 2026 23:01:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 255E310E4A9; Thu, 30 Apr 2026 23:01:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="GeiddE3O"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id BDC8B10E4A9; Thu, 30 Apr 2026 23:01:08 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 5CBC060142; Thu, 30 Apr 2026 23:01:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F04EEC2BCB3; Thu, 30 Apr 2026 23:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1777590067; bh=PTULIpfRpRHkz0qopelU8YTdmvf6BncDc8+Oy6+/FfU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=GeiddE3O5PYXm17s8GY+whOzMH+r8aSqPUcTTBGpfl5yEsELOtc1RBsuQmCU4XAAv G2xQ2oifD6lJM0tEBXagW1Yy5u8RbsAOaeRTgyhKNydcQaSZIu8uBQJ2fbrPzhoFlz u4ekfPkgl811pE2YyrckBnbbyWZMzpKVOwggUM/A= Date: Thu, 30 Apr 2026 16:01:05 -0700 From: Andrew Morton To: Matthew Brost Cc: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Dave Chinner , Qi Zheng , Roman Gushchin , Johannes Weiner , Shakeel Butt , Kairui Song , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Tvrtko Ursulin , Thomas =?UTF-8?B?SGVsbHN0csO2bQ==?= , Carlos Santa , Christian Koenig , Huang Rui , Matthew Auld , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Daniel Colascione , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/6] mm, drm/ttm, drm/xe: Avoid reclaim/eviction loops under fragmentation Message-Id: <20260430160105.a3b74ec3bb316bbfbf8f9808@linux-foundation.org> In-Reply-To: <20260430191809.2142544-1-matthew.brost@intel.com> References: <20260430191809.2142544-1-matthew.brost@intel.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gVGh1LCAzMCBBcHIgMjAyNiAxMjoxODowMyAtMDcwMCBNYXR0aGV3IEJyb3N0IDxtYXR0aGV3 LmJyb3N0QGludGVsLmNvbT4gd3JvdGU6Cgo+IFRUTSBhbGxvY2F0aW9ucyBhdCBoaWdoZXIgb3Jk ZXJzIGNhbiBkcml2ZSBYZSBpbnRvIGEgcGF0aG9sb2dpY2FsCj4gcmVjbGFpbSBsb29wIHdoZW4g bWVtb3J5IGlzIGZyYWdtZW50ZWQ6Cj4gCj4ga3N3YXBkIOKGkiBzaHJpbmtlciDihpIgZXZpY3Rp b24g4oaSIHJlYmluZCAoZXhlYyBpb2N0bCkg4oaSIHJlcGVhdAo+IAo+IEluIHRoaXMgc3RhdGUs IHJlY2xhaW0gaXMgdHJpZ2dlcmVkIGRlc3BpdGUgc3Vic3RhbnRpYWwgZnJlZSBtZW1vcnksCj4g YnV0IGZhaWxzIHRvIHByb2R1Y2UgY29udGlndW91cyBoaWdoZXItb3JkZXIgcGFnZXMuIFRoZSBY ZSBzaHJpbmtlciB0aGVuCj4gZXZpY3RzIGFjdGl2ZSBidWZmZXIgb2JqZWN0cywgaW5jcmVhc2lu ZyBmYXVsdGluZyBhbmQgcmViaW5kIGFjdGl2aXR5Cj4gYW5kIGZ1cnRoZXIgZmVlZGluZyB0aGUg bG9vcC4gVGhlIHJlc3VsdCBpcyBoaWdoIENQVSBvdmVyaGVhZCBhbmQgcG9vcgo+IEdQVSBmb3J3 YXJkIHByb2dyZXNzLgo+IAo+IC4uLgo+Cj4gVGhpcyBzZXJpZXMgYWRkcmVzc2VzIHRoZSBpc3N1 ZSBpbiB0d28gd2F5czoKPiAKPiBUVE06IFJlc3RyaWN0IGRpcmVjdCByZWNsYWltIHRvIGJlbmVm aWNpYWxfb3JkZXIuIExhcmdlciBhbGxvY2F0aW9ucwo+IHVzZSBfX0dGUF9OT1JFVFJZIHRvIGZh aWwgcXVpY2tseSByYXRoZXIgdGhhbiB0cmlnZ2VyaW5nIHJlY2xhaW0uCj4gCj4gWGU6IEludHJv ZHVjZSBhIGhldXJpc3RpYyBpbiB0aGUgc2hyaW5rZXIgdG8gYXZvaWQgZXZpY3Rpb24gd2hlbgo+ IHJ1bm5pbmcgdW5kZXIga3N3YXBkIGFuZCB0aGUgc3lzdGVtIGFwcGVhcnMgbWVtb3J5LXJpY2gg YnV0Cj4gZnJhZ21lbnRlZC4KClBsZWFzZSBjYyBldmVyeW9uZSBvbiBhbGwgdGhlIHBhdGNoZXM/ ICBJdCdzIGtpbmQgb2YgYW5ub3lpbmcgdG8gaGF2ZQp0byBodW50IGFyb3VuZCB0byBmaW5kIG91 dCBob3cgdGhlc2UgcHJvcG9zZWQgY2hhbmdlcyB3aWxsIGJlIHVzZWQuIApQZXJzb25hbCBwcmVm ZXJlbmNlLCBhbnl3YXkuCgpBSSByZXZpZXcgZmxhZ2dlZCBhIGZldyBwb3NzaWJsZSBpc3N1ZXM6 CglodHRwczovL3Nhc2hpa28uZGV2LyMvcGF0Y2hzZXQvMjAyNjA0MzAxOTE4MDkuMjE0MjU0NC0x LW1hdHRoZXcuYnJvc3RAaW50ZWwuY29tCg==